Nasal mask



FIG. 1 is a front perspective view of a disposable nasal mask accordingto a first embodiment of our design;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, with the right side view being amirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a front view of a disposable nasal mask according to a secondembodiment of our design;

FIG. 8 is a left side view thereof, with the right side view being amirror image thereof;

FIG. 9 is a rear view thereof;

FIG. 10 is a bottom view thereof; and,

FIG. 11 is a top view thereof.

The ornamental design for a nasal mask, as shown and described.